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Financial Assets and Liabilities - Summary of changes in liabilities arising from financing activities (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning balance $ 644,738,291 $ 662,684,327
Cash flow (4,853,371) 9,250,705
Foreign currency exchange and other (14,038,712) (27,196,741)
Ending balance 625,846,208 644,738,291
Debt [member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning balance 510,589,480 564,030,102
Cash flow 34,644,826 43,073,992
Foreign currency exchange and other (44,557,254) (96,514,614)
Ending balance 500,677,052 510,589,480
Liability Related to Right of Use of Assets [Member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning balance 134,148,811 98,654,225
Cash flow (39,498,197) (33,823,287)
Foreign currency exchange and other 30,518,542 69,317,873
Ending balance $ 125,169,156 $ 134,148,811